Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392446 | Adjustable blender pump mount for hydraulic fracturing | — | 2025-08-19 |
| 7268696 | Directional signal and noise sensors for borehole electromagnetic telemetry system | Paul F. Rodney, Wallace R. Gardner | 2007-09-11 |
| 6781520 | Motion sensor for noise cancellation in borehole electromagnetic telemetry system | Paul F. Rodney, Wallace R. Gardner | 2004-08-24 |
| 6781521 | Filters for canceling multiple noise sources in borehole electromagnetic telemetry system | Wallace R. Gardner, Paul F. Rodney | 2004-08-24 |
| 6657597 | Directional signal and noise sensors for borehole electromagnetic telemetry system | Paul F. Rodney, Wallace R. Gardner | 2003-12-02 |
| 6439324 | Electrically insulating gap subassembly for downhole electromagnetic transmission | Paul D. Ringgenberg | 2002-08-27 |
| 6218959 | Fail safe downhole signal repeater | — | 2001-04-17 |
| 6208265 | Electromagnetic signal pickup apparatus and method for use of same | — | 2001-03-27 |
| 6177882 | Electromagnetic-to-acoustic and acoustic-to-electromagnetic repeaters and methods for use of same | Paul D. Ringgenberg | 2001-01-23 |
| 6150954 | Subsea template electromagnetic telemetry | — | 2000-11-21 |
| 6114972 | Electromagnetic resistivity tool and method for use of same | — | 2000-09-05 |
| 6098727 | Electrically insulating gap subassembly for downhole electromagnetic transmission | Paul D. Ringgenberg | 2000-08-08 |
| 6075461 | Disposable electromagnetic signal repeater | — | 2000-06-13 |
| 6075462 | Adjacent well electromagnetic telemetry system and method for use of the same | — | 2000-06-13 |
| 6026915 | Early evaluation system with drilling capability | Neal G. Skinner | 2000-02-22 |
| 6018501 | Subsea repeater and method for use of the same | Paul D. Ringgenberg | 2000-01-25 |
| 6018301 | Disposable electromagnetic signal repeater | — | 2000-01-25 |
| 5959548 | Electromagnetic signal pickup device | — | 1999-09-28 |
| 5942990 | Electromagnetic signal repeater and method for use of same | Paul D. Ringgenberg | 1999-08-24 |
| 4951816 | Convertible container for carrying clothes and carrying and protecting various lengthy items | — | 1990-08-28 |
| 4525715 | Toroidal coupled telemetry apparatus | — | 1985-06-25 |
| 4387372 | Point gap assembly for a toroidal coupled telemetry system | William J. McDonald | 1983-06-07 |